Door Iris Porthole is the Perfect Fix for Detroit Hackerspace - Hackaday

Hackaday

Door Iris Porthole is the Perfect Fix for Detroit Hackerspace Hackaday In order to resolve the problem of congestion at the entrance to their hackerspace, the minds at i3Detroit installed a motion-activated mechanical iris in their door's porthole. Grabbing the design online (which they are now hosting on their site here ...